Home / 55,433.40-83,069.52-31,667.64

Finding the Fourth Proportional to 55,433.40, 83,069.52 and 31,667.64

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Solution

The fourth proportional to 55,433.40, 83,069.52 and 31,667.64 is: 47,455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433.40 : 83,069.52 = 31,667.64 : x
  2. Step 2: Convert to fraction form
    55,433.40/83,069.52 = 31,667.64/x
  3. Step 3: Cross multiply
    55,433.40x = 83,069.52 × 31,667.64
  4. Step 4: Simplify right side
    55,433.40x = 2,630,615,654.33
  5. Step 5: Solve for x
    x = 2,630,615,654.33/55,433.40
  6. Step 6: Final answer
    x = 47,455.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.